5646 (1990 TR)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4358497328 ± 7.46e-09
Semi-major axis (a)2.1441964543 AU ± 1.80e-09
Inclination (i)7.90564825° ± 1.27e-06
Long. of Asc. Node (Ω)14.07406921° ± 8.21e-06
Arg. of Perihelion (ω)335.82075353° ± 8.34e-06
Mean Anomaly (M)80.51194380° ± 2.02e-06
Mean Motion (n)0.3139174197°/day ± 3.95e-10
Perihelion dist (q)1.20964900 AU ± 1.60e-08
Aphelion dist (Q)3.07874391 AU ± 1.62e-08
Orbital Period3.13976295 yr ± 3.95e-09
Physical Parameters
H (abs. magnitude)15.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.098″
Uncertainty0
Orbit TypeAmor
MOID0.210181 AU
Observations Used2339
Gaia Obs Used51
Oppositions18
Arc Total1990-2026
First Observation Used1990-05-03
Last Observation Used2026-03-09
Observations (2545)
Date Type RA Dec Mag Band Observatory
2015-12-26 11:35:11 C 00 18 02.83 +09 35 56.1 q D29
2015-12-30 11:42:57 C 00 29 27.80 +11 01 19.6 o 300
2015-12-30 11:47:15 C 00 29 28.36 +11 01 23.2 o 300
2015-12-30 11:51:33 C 00 29 28.81 +11 01 26.6 o 300
2015-12-30 11:55:52 C 00 29 29.26 +11 01 30.7 o 300
2015-12-30 17:51:49 C 00 30 11.56 +11 06 37.6 q 160
2015-12-30 17:54:09 C 00 30 11.89 +11 06 37.6 q 160
2015-12-30 17:56:27 C 00 30 12.03 +11 06 40.6 q 160
2016-01-01 03:23:07 C 00 34 07.93 +11 35 20.7 q 703
2016-01-01 03:30:22 C 00 34 08.78 +11 35 27.3 q 703
2016-01-01 03:37:36 C 00 34 09.58 +11 35 33.2 q 703
2016-01-01 03:44:53 C 00 34 10.47 +11 35 38.9 q 703
2016-01-07 18:02:39 C 00 52 34.98 +13 44 24.4 S G36
2016-01-07 19:02:16 C 00 52 41.73 +13 45 10.9 S G36
2016-01-07 21:06:32 C 00 52 55.85 +13 46 47.3 S G36
2016-01-08 17:56:02 C 00 55 19.91 +14 02 54.9 S G36
2016-01-08 18:29:40 C 00 55 23.74 +14 03 20.9 S G36
2016-01-08 19:21:26 C 00 55 29.55 +14 04 00.4 S G36
2016-01-09 18:04:01 C 00 58 06.07 +14 21 22.1 S G36
2016-01-09 21:07:47 C 00 58 26.82 +14 23 41.1 S G36
2016-01-10 18:23:24 C 01 00 53.08 +14 39 43.3 S G36
2016-01-10 19:21:00 C 01 00 59.58 +14 40 26.4 S G36
2016-01-10 20:25:24 C 01 01 06.82 +14 41 14.5 S G36
2016-01-12 17:57:57 C 01 06 18.71 +15 14 56.0 S G36
2016-01-12 18:43:31 C 01 06 23.81 +15 15 29.3 S G36
2016-01-12 19:58:10 C 01 06 32.18 +15 16 23.6 S G36
2016-01-13 06:24:26 C 01 07 43.32 +15 24 02.1 L T05
2016-01-13 07:12:06 C 01 07 48.63 +15 24 35.9 L T05
2016-01-13 07:15:42 C 01 07 49.20 +15 24 38.3 L T05
2016-01-13 07:41:33 C 01 07 51.97 +15 24 58.0 L T05
2016-01-13 18:26:25 C 01 09 05.54 +15 32 41.9 S G36
2016-01-13 18:52:10 C 01 09 08.42 +15 33 00.4 S G36
2016-01-13 19:29:30 C 01 09 12.59 +15 33 27.3 S G36
2016-01-13 19:56:21 C 01 09 15.55 +15 33 45.5 q 160
2016-01-13 19:59:35 C 01 09 15.91 +15 33 47.7 q 160
2016-01-13 20:02:49 C 01 09 16.28 +15 33 50.4 q 160
2016-01-14 01:16:41 C 01 09 52.07 +15 37 38.0 R G45
2016-01-14 01:31:20 C 01 09 53.72 +15 37 48.1 R G45
2016-01-14 01:41:08 C 01 09 54.82 +15 37 55.6 R G45
2016-01-14 01:50:41 C 01 09 55.88 +15 38 02.2 R G45
2016-01-14 02:00:17 C 01 09 56.95 +15 38 09.0 R G45
2016-01-14 02:15:19 C 01 09 58.64 +15 38 20.3 q 703
2016-01-14 02:22:35 C 01 09 59.44 +15 38 25.0 q 703
2016-01-14 02:29:49 C 01 10 00.22 +15 38 30.4 q 703
2016-01-14 02:37:03 C 01 10 01.05 +15 38 35.7 q 703
2016-01-19 20:09:08 C 01 25 30.78 +17 13 36.5 q 160
2016-01-19 20:11:19 C 01 25 31.06 +17 13 37.8 q 160
2016-01-21 19:34:20 C 01 30 48.65 +17 44 42.8 q 160
2016-01-21 19:37:18 C 01 30 48.96 +17 44 44.5 q 160
2016-01-21 19:40:15 C 01 30 49.28 +17 44 46.6 q 160